That makes sense you're controlling the whole environment. Out of curiosity though, why keep a DE at all if the user won't ever interact with it? What prevents

That makes sense you're controlling the whole environment. Out of curiosity though, why keep a DE at all if the user won't ever interact with it? What prevents you from getting rid of it entirely? But as for my case, I don't have access to the user's device. I'm giving them an experience through a website on their phone once they're connected to a Wi-Fi network, so I can't really control their screen or go beyond the browser limitations.